Home / 5,147.02-7,102.94-3,022.57

Finding the Fourth Proportional to 5,147.02, 7,102.94 and 3,022.57

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Solution

The fourth proportional to 5,147.02, 7,102.94 and 3,022.57 is: 4,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.02 : 7,102.94 = 3,022.57 : x
  2. Step 2: Convert to fraction form
    5,147.02/7,102.94 = 3,022.57/x
  3. Step 3: Cross multiply
    5,147.02x = 7,102.94 × 3,022.57
  4. Step 4: Simplify right side
    5,147.02x = 21,469,118.24
  5. Step 5: Solve for x
    x = 21,469,118.24/5,147.02
  6. Step 6: Final answer
    x = 4,171.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.